<template xmlns:v-slot="http://www.w3.org/1999/XSL/Transform">
    <a-layout>
        <a-layout-sider width="200" style="background: #fff">
            <a-menu
                    mode="inline"
                    :style="{ height: '100%', borderRight: 0 }" @click="handleClick">
                <a-menu-item key="welcome">
                    <MailOutlined/>
                    <span>欢迎</span>
                </a-menu-item>
                <a-sub-menu v-for="item in level1" :key="item.id">
                    <template v-slot:title>
                        <span><user-outlined/>{{ item.name }}</span>
                    </template>
                    <a-menu-item v-for="child in item.children" :key="child.id">
                        <MailOutLined/>
                        <span>{{ child.name }}</span>
                    </a-menu-item>
                </a-sub-menu>
            </a-menu>
        </a-layout-sider>
        <a-layout-content
                :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
        >

            <div class="welcome" v-show="isShowWelcome">
                <h1>欢迎使用wiki知识库</h1>
            </div>

            <a-list item-layout="vertical" size="large" :data-source="ebooks"
                    :grid="{gutter:20,column:3}" v-show="!isShowWelcome">
                <template #renderItem="{ item }">
                    <a-list-item key="item.name">
                        <template #actions>
                      <span v-for="{ type, text } in actions" :key="type">
                        <component v-bind:is="type" style="margin-right: 8px"/>
                        {{ text }}
                      </span>

                        </template>


                        <a-list-item-meta :description="item.description">
                            <template #title>
                                <router-link :to="'/doc?ebookId='+item.id">
                                    {{item.name}}
                                </router-link>
                            </template>
                            <template #avatar>
                                <a-avatar :src="item.cover"/>
                            </template>
                        </a-list-item-meta>
                    </a-list-item>
                </template>
            </a-list>

        </a-layout-content>
    </a-layout>
</template>

<script lang="ts">
    import {defineComponent, onMounted, ref} from 'vue';
    import axios from 'axios';
    import {Tool} from "@/utils/tool";
    import {message} from "ant-design-vue";

    const listData: Record<string, string>[] = [];

    for (let i = 0; i < 23; i++) {
        listData.push({
            href: 'https://www.antdv.com/',
            title: `ant design vue part ${i}`,
            avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
            description:
                'Ant Design, a design language for background applications, is refined by Ant UED Team.',
            content:
                'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
        });
    }

    export default defineComponent({
        name: 'Home',
        setup() { //setup是vue新增的初始化方法
            const ebooks = ref(); //利用ref使得数据变成响应式

            /**
             * 分类数据查询
             */
            const level1 = ref();
            let categorys: any;
            const handleQuery = () => {
                axios.get("/category/all").then((response) => {
                    const data = response.data;
                    if (data.success) {
                        categorys = data.content;
                        level1.value = [];
                        level1.value = Tool.array2Tree(categorys, 0);
                    } else {
                        message.error(data.message);
                    }
                });
            };


            let category2Id = 0;

            const handleQueryEbook = () =>{
                axios.get("/ebook/list", {
                    params: {
                        page: 1,
                        size: 100,
                        category2Id: category2Id
                    }
                }).then((response) => {
                    const data = response.data;
                    ebooks.value = data.content.list;
                    console.log(ebooks);
                });
            };

            const handleClick = (value: any) => {
                if(value.key === 'welcome'){
                    isShowWelcome.value = true;
                } else {
                    category2Id=value.key;
                    isShowWelcome.value = false;
                    handleQueryEbook();

                }
            };


            onMounted(() => {
                handleQuery();
                // handleQueryEbook();
            });

            const isShowWelcome = ref(true);


            return {
                ebooks,
                listData,
                pagination: {
                    onChange: (page: number) => {
                        console.log(page);
                    },
                    pageSize: 3,
                },
                actions: [
                    {type: 'StarOutlined', text: '156'},
                    {type: 'LikeOutlined', text: '156'},
                    {type: 'MessageOutlined', text: '2'},
                ],
                handleQuery,
                level1,
                isShowWelcome,
                handleClick
            }
        }
    });
</script>

<style scoped>
    .ant-avatar {
        width: 50px;
        height: 50px;
        line-height: 50px;
        border-radius: 8%;
        margin: 5px 0;
    }
</style>
